pm-utils for F8 and Advanced power management
Paulo Cavalcanti
promac at gmail.com
Tue Jul 8 19:13:41 UTC 2008
2008/7/8 Till Maas <opensource at till.name>:
> On Tuesday 08 July 2008 18:44:17 Callum Lerwick wrote:
>
> > Vendor Specific SMART Attributes with Thresholds:
> > ID# ATTRIBUTE_NAME FLAG VALUE WORST THRESH TYPE
> > UPDATED WHEN_FAILED RAW_VALUE
>
> > 193 Load_Cycle_Count 0x0032 065 065 000 Old_age
> > Always - 406672
>
> > F-cking great. I don't think this drive is even a year old, and it's
> > up to 400000 already! And has reallocated sectors? This is a plain,
>
> Are you sure that you know what the value means? My drive reports this:
>
> 193 Load_Cycle_Count 0x0032 071 071 000 Old_age
> Always - 2990488599305
>
> I do not believe that the value is exactly the number of load cycles that
> my
> drive already had.
>
My laptop is less than a month old, and it is running F8.
5 Reallocated_Sector_Ct 0x0033 100 100 024 Pre-fail
Always - 8589934592000
9 Power_On_Minutes 0x0032 100 100 000 Old_age
Always - 167h+02m
12 Power_Cycle_Count 0x0032 100 100 000 Old_age
Always - 89
191 G-Sense_Error_Rate 0x0012 100 100 000 Old_age
Always - 2
192 Power-Off_Retract_Count 0x0032 100 100 000 Old_age
Always - 7
193 Load_Cycle_Count 0x0032 100 100 000 Old_age
Always - 5325
The number of reallocated sectors is 000 (forget the high order bits for
fujtisu).
The load cycle 5325. This number is correct. When I started to use hdparm in
rc.local and in /usr/lib/pm-utils/sleep.d/ (the parameter is lost when
returning from hibernation
and suspend mode), it just increments a single unit every time I shut down
or suspend.
This is the way it should be in my opinion.
According to this post
http://www.theinquirer.net/gb/inquirer/news/2007/10/31/ubuntu-eats-lappy-hard-drive
(look at the end) the reason is that ext3 commits each 5 seconds, awaking
the disk.
--
Paulo Roma Cavalcanti
LCG - UFRJ
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